2J.M.Roquais,F.Poret,R.le Doze,et al.Barium depletion study on impregnated cathodes and life time prediction[].International Vacuum Electron Sources Conference (IVESC‘)Technical Digest.2002
3A.Shroff,G.Firmain.High reliability TWTs for satellite applications[].International Electron Devices Meeting (IEDM).1984
4L.Dressman.Triservice/NASA cathode life test fa- cility[].International Vacuum Electron Sources Con- ference (IVESC‘)Technical Digest.2002
5Akira Chiba and Yasuhiro Akiyama.Life test evaluation of 411M cathode for highly reliable satellite TWTs[].Applied Surface Science.1999